Update releasenotes_writer.go

Add @onedrawingperday to the release credit list. The activity on the theme repo is increasing and the work he and @digitalcraftsman 
 is doing is very much appreciated.

releaser/releasenotes_writer.go

@@ -51,7 +51,7 @@ This release represents **{{ len .All }} contributions by {{ len $contribsPerAut
 {{- $u3 := index $contribsPerAuthor 2 -}}
 {{- $u4 := index $contribsPerAuthor 3 -}}
 {{- $u1.AuthorLink }} leads the Hugo development with a significant amount of contributions, but also a big shoutout to {{ $u2.AuthorLink }}, {{ $u3.AuthorLink }}, and {{ $u4.AuthorLink }} for their ongoing contributions.
-And a big thanks to [@digitalcraftsman](https://github.com/digitalcraftsman) for his relentless work on keeping the themes site in pristine condition and to [@kaushalmodi](https://github.com/kaushalmodi) for his great work on the documentation site.
+And a big thanks to [@digitalcraftsman](https://github.com/digitalcraftsman) and [@onedrawingperday](https://github.com/onedrawingperday) for their relentless work on keeping the themes site in pristine condition and to [@kaushalmodi](https://github.com/kaushalmodi) for his great work on the documentation site.
 {{ end }}
 {{- if not $patchRelease }}
 Many have also been busy writing and fixing the documentation in [hugoDocs](https://github.com/gohugoio/hugoDocs),